feat: "day" variant

README.md

@@ -1,7 +1,7 @@
 
 # 🏙 Tokyo Night
 
-A dark Neovim theme written in Lua ported from the Visual Studio Code [TokyoNight](https://github.com/enkia/tokyo-night-vscode-theme) theme. Includes extra themes for Kitty, Alacritty, iTerm and Fish.
+A dark and light Neovim theme written in Lua ported from the Visual Studio Code [TokyoNight](https://github.com/enkia/tokyo-night-vscode-theme) theme. Includes extra themes for Kitty, Alacritty, iTerm and Fish.
 
 ## Storm
 
@@ -11,6 +11,8 @@ A dark Neovim theme written in Lua ported from the Visual Studio Code [TokyoNigh
 
 ![image](https://user-images.githubusercontent.com/292349/115295327-7afdce80-a10e-11eb-89b3-2591262bf95a.png)
 
+## Day
+
 ## ✨ Features
 
 + supports the latest Neovim 5.0 features like TreeSitter and LSP
@@ -86,11 +88,11 @@ require('lualine').setup {
 
 ## ⚙️ Configuration
 
-The theme comes in two styles, `storm` and a darker variant `night`.
+The theme comes in three styles, `storm`, a darker variant `night` and `day`.
 
 | Option                              | Default   | Description                                                                                                                                                     |
 | ----------------------------------- | --------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------- |
-| tokyonight_style                    | `"storm"` | The theme comes in two styles, `"storm"` and a darker variant `"night"`.                                                                                        |
+| tokyonight_style                    | `"storm"` | The theme comes in three styles, `storm`, a darker variant `night` and `day`.                                                                                   |
 | tokyonight_terminal_colors          | `true`    | Configure the colors used when opening a `:terminal` in Neovim                                                                                                  |
 | tokyonight_italic_comments          | `true`    | Make comments italic                                                                                                                                            |
 | tokyonight_italic_keywords          | `true`    | Make keywords italic                                                                                                                                            |

lua/lualine/themes/tokyonight.lua

@@ -1,4 +1,6 @@
-local colors = require("tokyonight.colors").setup()
+local config = require("tokyonight.config")
+local colors = require("tokyonight.colors").setup(config)
+local util = require("tokyonight.util")
 
 local tokyonight = {}
 
@@ -34,4 +36,13 @@ tokyonight.inactive = {
   c = { bg = colors.bg_statusline, fg = colors.fg_gutter },
 }
 
+if config.style == "day" then
+  for _, mode in pairs(tokyonight) do
+    for _, section in pairs(mode) do
+      if section.bg then section.bg = util.getColor(section.bg, config) end
+      if section.fg then section.fg = util.getColor(section.fg, config) end
+    end
+  end
+end
+
 return tokyonight

lua/tokyonight/colors.lua

@@ -11,38 +11,6 @@ function M.setup(config)
   ---@class ColorScheme
   local colors = {}
 
-  if config.style == "day" then
-    colors = {
-      none = "NONE",
-      bg_dark = "#F3F4F6",
-      bg = "#ffffff",
-      bg_highlight = "#F9FAFB",
-      terminal_black = "#414868",
-      fg = "#4B5563",
-      fg_dark = "#374151",
-      fg_gutter = "#D1D5DB",
-      dark3 = "#545c7e",
-      comment = "#9CA3AF",
-      dark5 = "#737aa2",
-      blue0 = "#90CAF9",
-      blue = "#3B82F6",
-      cyan = "#00B0FF",
-      blue1 = "#10B981",
-      blue5 = "#80D8FF",
-      blue6 = "#B4F9F8",
-      magenta = "#8B5CF6",
-      purple = "#A78BFA",
-      orange = "#F57F17",
-      yellow = "#FBBF24",
-      green = "#9CCC65",
-      green1 = "#00BFA5",
-      teal = "#1abc9c",
-      red = "#f7768e",
-      red1 = "#db4b4b",
-      diff = { change = "#394b70", add = "#164846", delete = "#823c41" },
-      git = { change = "#6183bb", add = "#449dab", delete = "#914c54" },
-    }
-  else
   colors = {
     none = "NONE",
     bg_dark = "#1f2335",
@@ -74,8 +42,7 @@ function M.setup(config)
     diff = { change = "#394b70", add = "#164846", delete = "#823c41" },
     git = { change = "#6183bb", add = "#449dab", delete = "#f7768e" },
   }
-    if config.style == "night" then colors.bg = "#1a1b26" end
+  if config.style == "night" or config.style == "day" then colors.bg = "#1a1b26" end
-  end
 
   util.bg = colors.bg
   colors.git.ignore = colors.dark3
@@ -101,6 +68,7 @@ function M.setup(config)
   colors.hint = colors.teal
 
   util.color_overrides(colors, config)
+
   return colors
 end
 

lua/tokyonight/hsluv.lua

@@ -0,0 +1,291 @@
+--[[
+Lua implementation of HSLuv and HPLuv color spaces
+Homepage: http://www.hsluv.org/
+
+Copyright (C) 2019 Alexei Boronine
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
+associated documentation files (the "Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the
+following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial
+portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
+LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+]] local hsluv = {}
+
+local hexChars = "0123456789abcdef"
+
+local distance_line_from_origin = function(line)
+  return math.abs(line.intercept) / math.sqrt((line.slope ^ 2) + 1)
+end
+
+local length_of_ray_until_intersect = function(theta, line)
+  return line.intercept / (math.sin(theta) - line.slope * math.cos(theta))
+end
+
+hsluv.get_bounds = function(l)
+  local result = {};
+  local sub2;
+  local sub1 = ((l + 16) ^ 3) / 1560896;
+  if sub1 > hsluv.epsilon then
+    sub2 = sub1;
+  else
+    sub2 = l / hsluv.kappa;
+  end
+
+  for i = 1, 3 do
+    local m1 = hsluv.m[i][1];
+    local m2 = hsluv.m[i][2];
+    local m3 = hsluv.m[i][3];
+
+    for t = 0, 1 do
+      local top1 = (284517 * m1 - 94839 * m3) * sub2;
+      local top2 = (838422 * m3 + 769860 * m2 + 731718 * m1) * l * sub2 - 769860 * t * l;
+      local bottom = (632260 * m3 - 126452 * m2) * sub2 + 126452 * t;
+      table.insert(result, { slope = top1 / bottom, intercept = top2 / bottom })
+    end
+  end
+  return result
+end
+
+hsluv.max_safe_chroma_for_l = function(l)
+  local bounds = hsluv.get_bounds(l);
+  local min = 1.7976931348623157e+308;
+
+  for i = 1, 6 do
+    local length = distance_line_from_origin(bounds[i]);
+    if length >= 0 then min = math.min(min, length); end
+  end
+  return min;
+end
+
+hsluv.max_safe_chroma_for_lh = function(l, h)
+  local hrad = h / 360 * math.pi * 2;
+  local bounds = hsluv.get_bounds(l);
+  local min = 1.7976931348623157e+308;
+
+  for i = 1, 6 do
+    local bound = bounds[i];
+    local length = length_of_ray_until_intersect(hrad, bound);
+    if length >= 0 then min = math.min(min, length); end
+  end
+  return min
+end
+
+hsluv.dot_product = function(a, b)
+  local sum = 0;
+  for i = 1, 3 do sum = sum + a[i] * b[i]; end
+  return sum
+end
+
+hsluv.from_linear = function(c)
+  if c <= 0.0031308 then
+    return 12.92 * c
+  else
+    return 1.055 * (c ^ 0.416666666666666685) - 0.055
+  end
+end
+
+hsluv.to_linear = function(c)
+  if c > 0.04045 then
+    return ((c + 0.055) / 1.055) ^ 2.4
+  else
+    return c / 12.92
+  end
+end
+
+hsluv.xyz_to_rgb = function(tuple)
+  return {
+    hsluv.from_linear(hsluv.dot_product(hsluv.m[1], tuple)),
+    hsluv.from_linear(hsluv.dot_product(hsluv.m[2], tuple)),
+    hsluv.from_linear(hsluv.dot_product(hsluv.m[3], tuple)),
+  }
+end
+
+hsluv.rgb_to_xyz = function(tuple)
+  local rgbl = { hsluv.to_linear(tuple[1]), hsluv.to_linear(tuple[2]), hsluv.to_linear(tuple[3]) };
+  return {
+    hsluv.dot_product(hsluv.minv[1], rgbl),
+    hsluv.dot_product(hsluv.minv[2], rgbl),
+    hsluv.dot_product(hsluv.minv[3], rgbl),
+  }
+end
+
+hsluv.y_to_l = function(Y)
+  if Y <= hsluv.epsilon then
+    return Y / hsluv.refY * hsluv.kappa
+  else
+    return 116 * ((Y / hsluv.refY) ^ 0.333333333333333315) - 16
+  end
+end
+
+hsluv.l_to_y = function(L)
+  if L <= 8 then
+    return hsluv.refY * L / hsluv.kappa
+  else
+    return hsluv.refY * (((L + 16) / 116) ^ 3)
+  end
+end
+
+hsluv.xyz_to_luv = function(tuple)
+  local X = tuple[1];
+  local Y = tuple[2];
+  local divider = X + 15 * Y + 3 * tuple[3];
+  local varU = 4 * X;
+  local varV = 9 * Y;
+  if divider ~= 0 then
+    varU = varU / divider;
+    varV = varV / divider;
+  else
+    varU = 0;
+    varV = 0;
+  end
+  local L = hsluv.y_to_l(Y);
+  if L == 0 then return { 0, 0, 0 } end
+  return { L, 13 * L * (varU - hsluv.refU), 13 * L * (varV - hsluv.refV) }
+end
+
+hsluv.luv_to_xyz = function(tuple)
+  local L = tuple[1];
+  local U = tuple[2];
+  local V = tuple[3];
+  if L == 0 then return { 0, 0, 0 } end
+  local varU = U / (13 * L) + hsluv.refU;
+  local varV = V / (13 * L) + hsluv.refV;
+  local Y = hsluv.l_to_y(L);
+  local X = 0 - (9 * Y * varU) / ((((varU - 4) * varV) - varU * varV));
+  return { X, Y, (9 * Y - 15 * varV * Y - varV * X) / (3 * varV) }
+end
+
+hsluv.luv_to_lch = function(tuple)
+  local L = tuple[1];
+  local U = tuple[2];
+  local V = tuple[3];
+  local C = math.sqrt(U * U + V * V);
+  local H
+  if C < 0.00000001 then
+    H = 0;
+  else
+    H = math.atan2(V, U) * 180.0 / 3.1415926535897932;
+    if H < 0 then H = 360 + H; end
+  end
+  return { L, C, H }
+end
+
+hsluv.lch_to_luv = function(tuple)
+  local L = tuple[1];
+  local C = tuple[2];
+  local Hrad = tuple[3] / 360.0 * 2 * math.pi;
+  return { L, math.cos(Hrad) * C, math.sin(Hrad) * C };
+end
+
+hsluv.hsluv_to_lch = function(tuple)
+  local H = tuple[1];
+  local S = tuple[2];
+  local L = tuple[3];
+  if L > 99.9999999 then return { 100, 0, H } end
+  if L < 0.00000001 then return { 0, 0, H } end
+  return { L, hsluv.max_safe_chroma_for_lh(L, H) / 100 * S, H }
+end
+
+hsluv.lch_to_hsluv = function(tuple)
+  local L = tuple[1];
+  local C = tuple[2];
+  local H = tuple[3];
+  local max_chroma = hsluv.max_safe_chroma_for_lh(L, H)
+  if L > 99.9999999 then return { H, 0, 100 } end
+  if L < 0.00000001 then return { H, 0, 0 } end
+
+  return { H, C / max_chroma * 100, L }
+end
+
+hsluv.hpluv_to_lch = function(tuple)
+  local H = tuple[1];
+  local S = tuple[2];
+  local L = tuple[3];
+  if L > 99.9999999 then return { 100, 0, H } end
+  if L < 0.00000001 then return { 0, 0, H } end
+  return { L, hsluv.max_safe_chroma_for_l(L) / 100 * S, H }
+end
+
+hsluv.lch_to_hpluv = function(tuple)
+  local L = tuple[1];
+  local C = tuple[2];
+  local H = tuple[3];
+  if L > 99.9999999 then return { H, 0, 100 } end
+  if L < 0.00000001 then return { H, 0, 0 } end
+  return { H, C / hsluv.max_safe_chroma_for_l(L) * 100, L }
+end
+
+hsluv.rgb_to_hex = function(tuple)
+  local h = "#";
+  for i = 1, 3 do
+    local c = math.floor(tuple[i] * 255 + 0.5);
+    local digit2 = math.fmod(c, 16);
+    local x = (c - digit2) / 16;
+    local digit1 = math.floor(x);
+    h = h .. string.sub(hexChars, digit1 + 1, digit1 + 1)
+    h = h .. string.sub(hexChars, digit2 + 1, digit2 + 1)
+  end
+  return h
+end
+
+hsluv.hex_to_rgb = function(hex)
+  hex = string.lower(hex)
+  local ret = {}
+  for i = 0, 2 do
+    local char1 = string.sub(hex, i * 2 + 2, i * 2 + 2);
+    local char2 = string.sub(hex, i * 2 + 3, i * 2 + 3);
+    local digit1 = string.find(hexChars, char1) - 1
+    local digit2 = string.find(hexChars, char2) - 1
+    ret[i + 1] = (digit1 * 16 + digit2) / 255.0;
+  end
+  return ret
+end
+
+hsluv.lch_to_rgb = function(tuple) return
+  hsluv.xyz_to_rgb(hsluv.luv_to_xyz(hsluv.lch_to_luv(tuple))) end
+
+hsluv.rgb_to_lch = function(tuple) return
+  hsluv.luv_to_lch(hsluv.xyz_to_luv(hsluv.rgb_to_xyz(tuple))) end
+
+hsluv.hsluv_to_rgb = function(tuple) return hsluv.lch_to_rgb(hsluv.hsluv_to_lch(tuple)) end
+
+hsluv.rgb_to_hsluv = function(tuple) return hsluv.lch_to_hsluv(hsluv.rgb_to_lch(tuple)) end
+
+hsluv.hpluv_to_rgb = function(tuple) return hsluv.lch_to_rgb(hsluv.hpluv_to_lch(tuple)) end
+
+hsluv.rgb_to_hpluv = function(tuple) return hsluv.lch_to_hpluv(hsluv.rgb_to_lch(tuple)) end
+
+hsluv.hsluv_to_hex = function(tuple) return hsluv.rgb_to_hex(hsluv.hsluv_to_rgb(tuple)) end
+
+hsluv.hpluv_to_hex = function(tuple) return hsluv.rgb_to_hex(hsluv.hpluv_to_rgb(tuple)) end
+
+hsluv.hex_to_hsluv = function(s) return hsluv.rgb_to_hsluv(hsluv.hex_to_rgb(s)) end
+
+hsluv.hex_to_hpluv = function(s) return hsluv.rgb_to_hpluv(hsluv.hex_to_rgb(s)) end
+
+hsluv.m = {
+  { 3.240969941904521, -1.537383177570093, -0.498610760293 },
+  { -0.96924363628087, 1.87596750150772, 0.041555057407175 },
+  { 0.055630079696993, -0.20397695888897, 1.056971514242878 },
+}
+hsluv.minv = {
+  { 0.41239079926595, 0.35758433938387, 0.18048078840183 },
+  { 0.21263900587151, 0.71516867876775, 0.072192315360733 },
+  { 0.019330818715591, 0.11919477979462, 0.95053215224966 },
+}
+hsluv.refY = 1.0
+hsluv.refU = 0.19783000664283
+hsluv.refV = 0.46831999493879
+hsluv.kappa = 903.2962962
+hsluv.epsilon = 0.0088564516
+
+return hsluv

lua/tokyonight/util.lua

@@ -1,6 +1,7 @@
 local util = {}
 
 util.colorsUsed = {}
+util.colorCache = {}
 
 util.bg = "#000000"
 util.fg = "#ffffff"
@@ -34,15 +35,32 @@ end
 function util.darken(hex, amount, bg) return util.blend(hex, bg or util.bg, math.abs(amount)) end
 function util.lighten(hex, amount, fg) return util.blend(hex, fg or util.fg, math.abs(amount)) end
 
-function util.highlight(group, color)
+function util.getDayColor(color)
+  local hsluv = require("tokyonight.hsluv")
+  if color ~= "NONE" then
+    local hsl = hsluv.hex_to_hsluv(color)
+    hsl[3] = 100 - hsl[3]
+    hsl[3] = hsl[3] + (100 - hsl[3]) * .1
+    return hsluv.hsluv_to_hex(hsl)
+  end
+  return color
+end
+
+function util.getColor(color, config)
+  if config.style ~= "day" then return color end
+  if not util.colorCache[color] then util.colorCache[color] = util.getDayColor(color) end
+  return util.colorCache[color]
+end
+
+function util.highlight(group, color, opts)
   if color.fg then util.colorsUsed[color.fg] = true end
   if color.bg then util.colorsUsed[color.bg] = true end
   if color.sp then util.colorsUsed[color.sp] = true end
 
   local style = color.style and "gui=" .. color.style or "gui=NONE"
-  local fg = color.fg and "guifg=" .. color.fg or "guifg=NONE"
+  local fg = color.fg and "guifg=" .. util.getColor(color.fg, opts) or "guifg=NONE"
-  local bg = color.bg and "guibg=" .. color.bg or "guibg=NONE"
+  local bg = color.bg and "guibg=" .. util.getColor(color.bg, opts) or "guibg=NONE"
-  local sp = color.sp and "guisp=" .. color.sp or ""
+  local sp = color.sp and "guisp=" .. util.getColor(color.sp, opts) or ""
 
   local hl = "highlight " .. group .. " " .. style .. " " .. fg .. " " .. bg .. " " .. sp
 
@@ -99,7 +117,9 @@ function util.template(str, table)
   return (str:gsub("($%b{})", function(w) return table[w:sub(3, -2)] or w end))
 end
 
-function util.syntax(syntax) for group, colors in pairs(syntax) do util.highlight(group, colors) end end
+function util.syntax(syntax, opts)
+  for group, colors in pairs(syntax) do util.highlight(group, colors, opts) end
+end
 
 ---@param colors ColorScheme
 function util.terminal(colors)
@@ -140,13 +160,13 @@ function util.load(theme)
   vim.g.colors_name = "tokyonight"
 
   -- load base theme
-  util.syntax(theme.base)
+  util.syntax(theme.base, theme.config)
 
   -- load syntax for plugins and terminal async
   local async
   async = vim.loop.new_async(vim.schedule_wrap(function()
     util.terminal(theme.colors)
-    util.syntax(theme.plugins)
+    util.syntax(theme.plugins, theme.config)
     util.autocmds(theme.config)
     async:close()
   end))
@@ -172,5 +192,25 @@ function util.color_overrides(colors, config)
   end
 end
 
+function util.light()
+  for hl_name, hl in pairs(vim.api.nvim__get_hl_defs(0)) do
+    local def = {}
+    for key, def_key in pairs({ foreground = "fg", background = "bg", special = "sp" }) do
+      if type(hl[key]) == "number" then
+        local hex = string.format("#%06x", hl[key])
+        local color = util.getDayColor(hex)
+        table.insert(def, "gui" .. def_key .. "=" .. color)
+      end
+    end
+    if hl_name ~= "" and #def > 0 then
+      for _, style in pairs({ "bold", "italic", "underline", "undercurl" }) do
+        if hl[style] then table.insert(def, "gui=" .. style) end
+      end
+
+      vim.cmd("highlight! " .. hl_name .. " " .. table.concat(def, " "))
+    end
+  end
+end
+
 return util